Firefox is so slow

David Demelier demelier.david at
Mon Apr 29 11:36:17 UTC 2013

2013/4/29 Roland Smith <rsmith at>:
> On Mon, Apr 29, 2013 at 11:18:57AM +0200, David Demelier wrote:
>> Hi,
>> I used to love firefox in the early days, when I started using Linux
>> around 2003-2004. It was so fast. Now it's just amazing how long does
>> it take to start.
>> On my machine : intel i3 540, 2G of RAM and FreeBSD 9.1 it takes
>> around 12 secondes to start. Is it so long for you too?
> Around 2 seconds on an intel core2 quad, 4G RAM, FreeBSD 9.1 amd64.
>> What kind of bloat has been added so it's so big to start..
> When building firefox from source, I only set the GIO and
> OPTIMIZED_CFLAGS options to ON. All other options were set to OFF.
> You could try using Profile Guided Optimizations, but it will make the
> build a lot slower.
> Do you have plugins (not add-ons) like java or flash installed? Try
> disabling those.

I had DBUS and LOGGING enabled, I also have flash installed, I will
try like you with OPTIMIZED_CFLAGS and without other options to see if
it helps,

Thanks for the hint

Demelier David

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